docker-ps is a colorized, human-readable version of `docker ps`

docker-ps

#!/bin/bash

# ☢=u+2622

: "${TERM:=xterm-256color}"

editscript(){
  local scriptpath script path swp; scriptpath=$(realpath "$0" 2>/dev/null); script="${scriptpath##*/}"; path="${scriptpath%/*}"; swp="$path/.$script.swp"
     [[ ! -e "$swp" ]] && printf "\n\n%s\n\n" "$swp" && (/usr/bin/nano "$scriptpath") && exit
     printf "\n%s is already being edited.\n%s exists; try fg or look in another window.\n" "$scriptpath" "$swp"; exit ;}

pause(){ /dev/tty> read -rp "$*" ; }

[[ "$1" == @(--edit|e|-e) ]] && editscript
[[ "$1" = @(-w|--watch) ]] && { shift; exec watch -c docker-ps "$@"; }
[[ "$1" == @(-f|--full) ]] && shift && printfull=true

# Define colors
tput0="$(tput sgr0)"
bold="$(tput bold)"
ita="$(tput sitm)"
cyan="$(tput setaf 6)"
green="$(tput setaf 2)"
blue="$(tput setaf 4)"
yellow="$(tput setaf 3)"
orange="$(tput setaf 215)"
red="$(tput setaf 9)"
inverse="$(tput setab 7 setaf 0)"

# Header
#printf '%-28s %-30s %-40s %s\n' \
#    "${cyan}${bold}CONTAINER ID${tput0}" \
#    "${green}${bold}STATUS${tput0}" \
#    "${ita}${bold}NAMES${tput0}" \
#    "${blue}${bold}IMAGE${tput0}"

# Get docker ps output in JSON format
docker_ps_output=$(docker ps --format '{{json .}}' | jq -s .)

# Parse and print the condensed output with colors
readarray -t tablearr < <(echo "$docker_ps_output" | jq -r '.[] |
  (.Size
    | capture("(?<num>[0-9.]+)(?<unit>[A-Za-z]+) \\(virtual (?<vnum>[0-9.]+)(?<vunit>[A-Za-z]+)\\)")
  ) as $sz |
[
    .ID,
    (.Status
      | gsub(" \\(healthy\\)"; "")
      | gsub("About a"; "1")
      | gsub("Less than a second"; "0 seconds")
      | gsub(" +"; " ")
      | gsub("\\s+"; " ")
    ),
    .Names,
    (.Image | sub(".*/"; "")),
    "\($sz.num) \($sz.unit)",
    "\($sz.vnum) \($sz.vunit)"
] | @tsv' |
 while IFS=$'\t' read -r id status names image size virtsize; do
    color_status="$status"
    color_line=""

    case "$status" in
#        *"seconds"*) color_line="${red}" ;;
        *"second"*) color_line="${red}"; color_status="${red}${status}${tput0}" ;;
        *"Up"*) color_status="${green}${status}${tput0}" ;;
        *"Exited"*) color_status="${red}${status}${tput0}" ;;
        *) color_status="${yellow}${status}${tput0}" ;;
    esac

##"$color_line" doesn't do anything right now.

#    printf "${color_line}%-15s %-25s %-25s %-25s${tput0}\n" \
#        "${cyan}${id}${tput0}" \
#        "${color_status}" \
#        "${ita}${names}${tput0}" \
#        "${blue}${image}${tput0}"
#
#    printf '%s%-15s %-25s %-25s %-25s%s\n' \
#        "${color_line}" \
#        "${cyan}${id}${tput0}" \
#        "${color_status}" \
#        "${ita}${names}${tput0}" \
#        "${blue}${image}${tput0}" \
#        "$tput0"
    printf '%s☢%s☢%s☢%s☢%s☢%s☢%s☢%s\n' \
        "${color_line}" \
        "${cyan}${id}${tput0}" \
        "${color_status}" \
        "${ita}${names}${tput0}" \
        "${blue}${image}${tput0}" \
        "${orange}${size}${tput0}" \
        "${orange}${virtsize}${tput0}" \
        "$tput0"
done)

#printf '☢%s☢%s☢%s☢%s☢%s\n%s\n' \
#    "${cyan}${bold}CONTAINER ID${tput0}" \
#    "${green}${bold}STATUS${tput0}" \
#    "${ita}${bold}NAMES${tput0}" \
#    "${blue}${bold}IMAGE${tput0}" \
#    "${cyan}${bold}SIZE${tput0}" \
#"$(printf %s\\n "${tablearr[@]}")" |column -t -s ☢ -m

# Colored header variables
NID="${cyan}${bold}CONTAINER ID${tput0}"
NSTATUS="${green}${bold}STATUS${tput0}"
NNAMES="${ita}${bold}NAMES${tput0}"
NIMAGE="${blue}${bold}IMAGE${tput0}"
NSIZE="${orange}${bold}SIZE${tput0}"
NVSIZE="${orange}${bold}VIRT. SIZE${tput0}"

# Print table rows only, headers handled via -N

printf '%s\n' "${tablearr[@]}" | TERM=dumb column -t -s ☢ -N " ","$NID","$NSTATUS","$NNAMES","$NIMAGE","$NSIZE","$NVSIZE" -m -R 6,7




if [[ "$printfull" = true ]]; then

  echo
  echo
  echo "Full ${inverse}$ docker ps${tput0} output:"


  # Header
  printf "%-15s %-29s %-42s %-42s %-38s %-60s %-20s\n" \
      "${cyan}${bold}CONTAINER ID${tput0}" \
      "${green}${bold}STATUS${tput0}" \
      "${cyan}${bold}NAMES${tput0}" \
      "${blue}${bold}IMAGE${tput0}" \
      "${yellow}${bold}COMMAND${tput0}" \
      "${ita}${bold}CREATED${tput0}" \
      "${red}${bold}PORTS${tput0}"

  # Get docker ps output
  docker ps --format '{{json .}}' | jq -r '
      [
          .ID,
          (.Status | sub(" \\(healthy\\)"; "") | sub("About a"; "1") | sub("Less than a second"; "0 seconds")),
#          (.Status | sub(" \\(healthy\\)"; "") | sub("about "; "")),
#          (.Status | sub(" \\(healthy\\)"; "")),
          .Names,
          (.Image | sub(".*/"; "")),
          .Command,
  #        (.Ports | sub("^ +"; "")),
  #        (.Ports | gsub("\\u003e"; ">") | sub("^ +"; "")),  # Replace \u003e with >
#          (.Ports | sub("^ +"; "") | gsub("\\u003e"; ">")),  # Strip leading spaces and replace \u003e with >
#           ((.Ports | sub("^ +"; "") | gsub("\\u003e"; ">")) // "No ports for container"),
          (.Ports | select(. != "") | sub("^ +"; "") | gsub("\\u003e"; ">")) // "No ports for container",
          (.CreatedAt | sub(" -0400.*"; "") | sub(" -0500.*"; ""))  # Strips the time zone information
      ] | @tsv' | while IFS=$'\t' read -r id status names image command ports created_at; do
      color_status="$status"
      color_line=""

      case "$status" in
          *"second"*) color_line="${red}"; color_status="${red}${status}${tput0}" ;;
          *"Up"*) color_status="${green}${status}${tput0}" ;;
          *"Exited"*) color_status="${red}${status}${tput0}" ;;
          *) color_status="${yellow}${status}${tput0}" ;;
      esac

#      printf "${color_line}%-15s %-25s %-38s %-38s %-36s %-56s %-20s${tput0}\n" \
#          "${cyan}${id}${tput0}" \
#          "${green}${status}${tput0}" \
#          "${cyan}${names}${tput0}" \
#          "${blue}${image}${tput0}" \
#          "${yellow}${command}${tput0}" \
#          "${ita}${created_at}${tput0}" \
#          "${red}${ports}${tput0}"
command=${command//…/...}
printf "${color_line}%-15s %-25s %-38s %-38s %-38s %-56s %-20s${tput0}\n" \
  "${cyan}${id}${tput0}" \
  "${green}${status}${tput0}" \
  "${cyan}${names}${tput0}" \
  "${blue}${image}${tput0}" \
  "${yellow}${command}${tput0}" \
  "${ita}${created_at}${tput0}" \
  "${red}${ports}${tput0}"


  done
  fi

exit 0